This avoids everything breaking on pre-ICS platforms.
Also get rid of pref initialization in Application. I hate that. Hate
hate hate. Hate. Totally hate.
Totally.
Change-Id: Idb3526a96eb2dff49f9de8e5ae71149cb4ed6e96
Also re-arrange all preference API demos to go in their own
package, since the preferfence APIs themselves are in their own package.
Change-Id: I305f77dc09748bb60d1de8a23d063db64c11bb1e